title: 2-Aminopurine as a purine antagonist.
authors.forename: G H
authors.initials: GH
authors.lastname: HITCHINGS
authors.forename: G B
authors.initials: GB
authors.lastname: ELION
authors.forename: H
authors.initials: H
authors.lastname: VANDERWERFF
mesh_terms: D015075:2-Aminopurine; D000963:Antimetabolites; D011687:Purines
chemical_list: D000963:Antimetabolites; D011687:Purines; D015075:2-Aminopurine; C030985:purine